Exercise apparatus



FIG. 1 is a perspective view of an exercise apparatus showing our new design, shown in an open position;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof, shown in a closed position.

The broken lines shown in the figures are for the purpose of illustrating portions of the exercise apparatus, which form no part of the claimed design. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 